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#!/usr/bin/env python
# Copyright 2021 Google LLC
#
# This source code is licensed under the BSD-style license found in the
# LICENSE file in the root directory of this source tree.
import argparse
import codecs
import math
import os
import re
import sys
import yaml
sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
import xngen
import xnncommon
parser = argparse.ArgumentParser(
description='Vector conversion operation microkernel test generator')
parser.add_argument("-s", "--spec", metavar="FILE", required=True,
help="Specification (YAML) file")
parser.add_argument("-o", "--output", metavar="FILE", required=True,
help='Output (C++ source) file')
parser.set_defaults(defines=list())
def split_ukernel_name(name):
match = re.fullmatch(r"xnn_(f16|f32|qs16|qs8|qu8)(_(f16|f32|qs8|qu8))?_vcvt_ukernel__(.+)_x(\d+)", name)
if match is None:
raise ValueError("Unexpected microkernel name: " + name)
input_datatype = match.group(1)
if match.group(2):
output_datatype = match.group(3)
else:
output_datatype = input_datatype
batch_tile = int(match.group(5))
arch, isa, assembly = xnncommon.parse_target_name(target_name=match.group(4))
return input_datatype, output_datatype, batch_tile, arch, isa
CVT_TEST_TEMPLATE = """\
TEST(${TEST_NAME}, batch_eq_${BATCH_TILE}) {
$if ISA_CHECK:
${ISA_CHECK};
VCvtMicrokernelTester()
.batch_size(${BATCH_TILE})
$if INPUT_DATATYPE == "QS16":
.input_zero_point(0)
$if OUTPUT_DATATYPE == "QS8":
.qmin(std::numeric_limits<int8_t>::min())
.qmax(std::numeric_limits<int8_t>::max())
$elif OUTPUT_DATATYPE == "QU8":
.qmin(std::numeric_limits<uint8_t>::min())
.qmax(std::numeric_limits<uint8_t>::max())
.Test(${", ".join(TEST_ARGS)});
}
$if BATCH_TILE > 1:
TEST(${TEST_NAME}, batch_div_${BATCH_TILE}) {
$if ISA_CHECK:
${ISA_CHECK};
for (size_t batch_size = ${BATCH_TILE*2}; batch_size < ${BATCH_TILE*10}; batch_size += ${BATCH_TILE}) {
VCvtMicrokernelTester()
.batch_size(batch_size)
$if INPUT_DATATYPE == "QS16":
.input_zero_point(0)
$if OUTPUT_DATATYPE == "QS8":
.qmin(std::numeric_limits<int8_t>::min())
.qmax(std::numeric_limits<int8_t>::max())
$elif OUTPUT_DATATYPE == "QU8":
.qmin(std::numeric_limits<uint8_t>::min())
.qmax(std::numeric_limits<uint8_t>::max())
.Test(${", ".join(TEST_ARGS)});
}
}
TEST(${TEST_NAME}, batch_lt_${BATCH_TILE}) {
$if ISA_CHECK:
${ISA_CHECK};
for (size_t batch_size = 1; batch_size < ${BATCH_TILE}; batch_size++) {
VCvtMicrokernelTester()
.batch_size(batch_size)
$if INPUT_DATATYPE == "QS16":
.input_zero_point(0)
$if OUTPUT_DATATYPE == "QS8":
.qmin(std::numeric_limits<int8_t>::min())
.qmax(std::numeric_limits<int8_t>::max())
$elif OUTPUT_DATATYPE == "QU8":
.qmin(std::numeric_limits<uint8_t>::min())
.qmax(std::numeric_limits<uint8_t>::max())
.Test(${", ".join(TEST_ARGS)});
}
}
TEST(${TEST_NAME}, batch_gt_${BATCH_TILE}) {
$if ISA_CHECK:
${ISA_CHECK};
for (size_t batch_size = ${BATCH_TILE+1}; batch_size < ${10 if BATCH_TILE == 1 else BATCH_TILE*2}; batch_size++) {
VCvtMicrokernelTester()
.batch_size(batch_size)
$if INPUT_DATATYPE == "QS16":
.input_zero_point(0)
$if OUTPUT_DATATYPE == "QS8":
.qmin(std::numeric_limits<int8_t>::min())
.qmax(std::numeric_limits<int8_t>::max())
$elif OUTPUT_DATATYPE == "QU8":
.qmin(std::numeric_limits<uint8_t>::min())
.qmax(std::numeric_limits<uint8_t>::max())
.Test(${", ".join(TEST_ARGS)});
}
}
$if INPUT_DATATYPE.startswith("Q") or OUTPUT_DATATYPE.startswith("Q"):
TEST(${TEST_NAME}, scale) {
$if ISA_CHECK:
${ISA_CHECK};
for (size_t batch_size = 1; batch_size <= ${BATCH_TILE*5}; batch_size += ${max(1, BATCH_TILE-1)}) {
VCvtMicrokernelTester()
.batch_size(batch_size)
.scale(50)
$if INPUT_DATATYPE == "QS16":
.input_zero_point(0)
$if OUTPUT_DATATYPE == "QS8":
.qmin(std::numeric_limits<int8_t>::min())
.qmax(std::numeric_limits<int8_t>::max())
$elif OUTPUT_DATATYPE == "QU8":
.output_zero_point(100)
.qmin(std::numeric_limits<uint8_t>::min())
.qmax(std::numeric_limits<uint8_t>::max())
.Test(${", ".join(TEST_ARGS)});
}
}
$if INPUT_DATATYPE in ["QS8", "QU8"]:
TEST(${TEST_NAME}, input_zero_point) {
$if ISA_CHECK:
${ISA_CHECK};
for (int16_t input_zero_point = 0; input_zero_point < 5; input_zero_point += 2) {
for (size_t batch_size = 1; batch_size <= ${BATCH_TILE*5}; batch_size += ${max(1, BATCH_TILE-1)}) {
VCvtMicrokernelTester()
.batch_size(batch_size)
.input_zero_point(input_zero_point)
$if OUTPUT_DATATYPE == "QS8":
.qmin(std::numeric_limits<int8_t>::min())
.qmax(std::numeric_limits<int8_t>::max())
$elif OUTPUT_DATATYPE == "QU8":
.qmin(std::numeric_limits<uint8_t>::min())
.qmax(std::numeric_limits<uint8_t>::max())
.Test(${", ".join(TEST_ARGS)});
}
}
}
$if OUTPUT_DATATYPE in ["QS8", "QU8"]:
TEST(${TEST_NAME}, output_zero_point) {
$if ISA_CHECK:
${ISA_CHECK};
for (int16_t output_zero_point = 0; output_zero_point < 5; output_zero_point += 2) {
for (size_t batch_size = 1; batch_size <= ${BATCH_TILE*5}; batch_size += ${max(1, BATCH_TILE-1)}) {
VCvtMicrokernelTester()
.batch_size(batch_size)
$if INPUT_DATATYPE == "QS16":
.input_zero_point(0)
.output_zero_point(output_zero_point)
$if OUTPUT_DATATYPE == "QS8":
.qmin(std::numeric_limits<int8_t>::min())
.qmax(std::numeric_limits<int8_t>::max())
$elif OUTPUT_DATATYPE == "QU8":
.qmin(std::numeric_limits<uint8_t>::min())
.qmax(std::numeric_limits<uint8_t>::max())
.Test(${", ".join(TEST_ARGS)});
}
}
}
$if INPUT_DATATYPE == "F32":
TEST(${TEST_NAME}, saturation) {
$if ISA_CHECK:
${ISA_CHECK};
for (size_t batch_size = 1; batch_size <= ${BATCH_TILE*5}; batch_size += ${max(1, BATCH_TILE-1)}) {
VCvtMicrokernelTester()
.batch_size(batch_size)
.scale(500)
$if OUTPUT_DATATYPE == "QS8":
.qmin(std::numeric_limits<int8_t>::min())
.qmax(std::numeric_limits<int8_t>::max())
$elif OUTPUT_DATATYPE == "QU8":
.output_zero_point(128)
.qmin(std::numeric_limits<uint8_t>::min())
.qmax(std::numeric_limits<uint8_t>::max())
.Test(${", ".join(TEST_ARGS)});
}
}
TEST(${TEST_NAME}, overflow) {
$if ISA_CHECK:
${ISA_CHECK};
for (size_t batch_size = 1; batch_size <= ${BATCH_TILE*5}; batch_size += ${max(1, BATCH_TILE-1)}) {
VCvtMicrokernelTester()
.batch_size(batch_size)
.scale(4294967296.0f)
$if INPUT_DATATYPE == "QS16":
.input_zero_point(0)
$if OUTPUT_DATATYPE == "QS8":
.qmin(std::numeric_limits<int8_t>::min())
.qmax(std::numeric_limits<int8_t>::max())
$elif OUTPUT_DATATYPE == "QU8":
.qmin(std::numeric_limits<uint8_t>::min())
.qmax(std::numeric_limits<uint8_t>::max())
.Test(${", ".join(TEST_ARGS)});
}
}
$if INPUT_DATATYPE == "F32" and OUTPUT_DATATYPE == "QS8":
TEST(${TEST_NAME}, qmin) {
$if ISA_CHECK:
${ISA_CHECK};
for (int16_t qmin = -128; qmin < 127; qmin += 51) {
for (size_t batch_size = 1; batch_size <= ${BATCH_TILE*5}; batch_size += ${max(1, BATCH_TILE-1)}) {
VCvtMicrokernelTester()
.batch_size(batch_size)
.scale(500)
.qmin(qmin)
.qmax(std::numeric_limits<int8_t>::max())
.Test(${", ".join(TEST_ARGS)});
}
}
}
TEST(${TEST_NAME}, qmax) {
$if ISA_CHECK:
${ISA_CHECK};
for (int16_t qmax = -127; qmax <= 127; qmax += 51) {
for (size_t batch_size = 1; batch_size <= ${BATCH_TILE*5}; batch_size += ${max(1, BATCH_TILE-1)}) {
VCvtMicrokernelTester()
.batch_size(batch_size)
.scale(500)
$if INPUT_DATATYPE == "QS16":
.input_zero_point(0)
.qmin(std::numeric_limits<int8_t>::min())
.qmax(qmax)
.Test(${", ".join(TEST_ARGS)});
}
}
}
$if INPUT_DATATYPE == "F32" and OUTPUT_DATATYPE == "QU8":
TEST(${TEST_NAME}, qmin) {
$if ISA_CHECK:
${ISA_CHECK};
for (int16_t qmin = 0; qmin < 255; qmin += 51) {
for (size_t batch_size = 1; batch_size <= ${BATCH_TILE*5}; batch_size += ${max(1, BATCH_TILE-1)}) {
VCvtMicrokernelTester()
.batch_size(batch_size)
.scale(500)
.output_zero_point(128)
.qmin(qmin)
.qmax(std::numeric_limits<uint8_t>::max())
.Test(${", ".join(TEST_ARGS)});
}
}
}
TEST(${TEST_NAME}, qmax) {
$if ISA_CHECK:
${ISA_CHECK};
for (int16_t qmax = 1; qmax <= 255; qmax += 51) {
for (size_t batch_size = 1; batch_size <= ${BATCH_TILE*5}; batch_size += ${max(1, BATCH_TILE-1)}) {
VCvtMicrokernelTester()
.batch_size(batch_size)
.scale(500)
.output_zero_point(128)
.qmin(std::numeric_limits<uint8_t>::min())
.qmax(qmax)
.Test(${", ".join(TEST_ARGS)});
}
}
}
"""
def generate_test_cases(ukernel, init_fn, input_datatype, output_datatype,
batch_tile, isa):
"""Generates all tests cases for a Vector Convert Operation micro-kernel.
Args:
ukernel: C name of the micro-kernel function.
init_fn: C name of the function to initialize microkernel parameters.
input_datatype: input conversion data type.
output_datatype: output conversion data type.
batch_tile: Number of batch elements processed per one iteration of the
inner loop of the micro-kernel.
isa: instruction set required to run the micro-kernel. Generated unit test
will skip execution if the host processor doesn't support this ISA.
Returns:
Code for the test case.
"""
_, test_name = ukernel.split("_", 1)
test_args = [ukernel]
if init_fn:
test_args.append(init_fn)
return xngen.preprocess(CVT_TEST_TEMPLATE, {
"TEST_NAME": test_name.upper().replace("UKERNEL_", ""),
"TEST_ARGS": test_args,
"BATCH_TILE": batch_tile,
"INPUT_DATATYPE": input_datatype.upper(),
"OUTPUT_DATATYPE": output_datatype.upper(),
"ISA_CHECK": xnncommon.generate_isa_check_macro(isa),
})
def main(args):
options = parser.parse_args(args)
with codecs.open(options.spec, "r", encoding="utf-8") as spec_file:
spec_yaml = yaml.safe_load(spec_file)
if not isinstance(spec_yaml, list):
raise ValueError("expected a list of micro-kernels in the spec")
tests = """\
// Copyright 2021 Google LLC
//
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree.
//
// Auto-generated file. Do not edit!
// Specification: {specification}
// Generator: {generator}
#include <limits>
#include <gtest/gtest.h>
#include <xnnpack/common.h>
#include <xnnpack/isa-checks.h>
#include <xnnpack/vcvt.h>
#include "vcvt-microkernel-tester.h"
""".format(specification=options.spec, generator=sys.argv[0])
for ukernel_spec in spec_yaml:
name = ukernel_spec["name"]
init_fn = ukernel_spec.get("init")
input_datatype, output_datatype, batch_tile, arch, isa = \
split_ukernel_name(name)
test_case = generate_test_cases(
name, init_fn, input_datatype, output_datatype, batch_tile, isa)
tests += "\n\n" + xnncommon.postprocess_test_case(test_case, arch, isa)
txt_changed = True
if os.path.exists(options.output):
with codecs.open(options.output, "r", encoding="utf-8") as output_file:
txt_changed = output_file.read() != tests
if txt_changed:
with codecs.open(options.output, "w", encoding="utf-8") as output_file:
output_file.write(tests)
if __name__ == "__main__":
main(sys.argv[1:])
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